faq-post

Algorithmic trading systems are less “apps” and more “plants”: they run continuously, ingest market data, make decisions under tight latency budgets, and must remain predictable during volatility. Your Linux distribution choice won’t turn a bad strategy into a good one—but it will influence uptime, latency jitter, security patch cadence, dependency management, and how painful (or […]

Common files in this directory: SSH (Secure Shell) is a foundational tool in the Linux ecosystem, used for remote access, secure file transfers, automation, and server management. While most users interact with SSH via the ssh command, under the hood SSH relies on public and private key pairs for authentication — especially in environments where […]

One of the key foundations of Linux system security and multi-user architecture is its file permission model. Unlike Windows, Linux strictly enforces ownership and access control for every file and directory in the system. Mastering file permissions isn’t just about security — it’s essential for managing servers, deploying software, running scripts, and automating tasks. The […]

Renaming files is one of the most common tasks in any operating system — and in Linux, it becomes especially powerful when done via the terminal. From simple name changes to complex batch operations using patterns, renaming is an essential tool for: Organizing files by date, type, or project Automating cleanup of logs, backups, or […]

In Linux, the phrase “change user” can describe several different actions—some temporary and session-based, others permanent and system-wide. Because Linux is a multi-user operating system by design, it provides multiple ways to switch identities and permissions depending on what you’re trying to achieve: administering a server, running an application with limited rights, fixing file access […]

On modern Linux systems, network configuration is managed through a set of command-line tools that let you inspect, troubleshoot, and modify IP settings without relying on a graphical interface. These commands are essential for administrators and power users because they provide fast, precise control over how a machine connects to a network—whether you’re assigning a […]

When managing powerful dedicated servers, having full control over your operating system installation and hardware management tools is essential. At AlexHost, we provide our clients with IPKVM (IP-based Keyboard, Video, and Mouse) access for all dedicated servers — including full BIOS-level control and the ability to upload and install a custom ISO image of your […]

Modern websites and web applications rely heavily on databases, and MySQL hosting remains one of the most widely used solutions for managing structured data. However, as projects grow, database performance and query optimization become critical for maintaining fast website speed and stable server performance.In this article, we’ll explore proven MySQL optimization techniques, share best practices […]

In the realm of Telegram bot development, robust user input validation is paramount to ensuring both reliability and security. Given Telegram bots’ dynamic and interactive nature, developers must implement sophisticated validation mechanisms that not only verify the correctness of incoming data but also maintain a seamless user experience. This article explores advanced methodologies and best […]

Running n8n on your own VPS is the best way to build secure, scalable, and always-on automation workflows. Unlike cloud-based automation services, hosting n8n on an AlexHost VPS gives you full data privacy, unlimited executions, 24/7 uptime, and predictable costs. With Debian 12 as the base OS, you’ll benefit from long-term stability and modern software […]